Manufacturer Part Number
LDK130M18R
Manufacturer
STMicroelectronics
Introduction
Low dropout linear voltage regulator designed for power management
Product Features and Performance
Single regulator output
Fixed 1.8V output voltage
Low dropout voltage of 0.4V at 300mA load
300mA output current capability
Low quiescent current of 60 µA
Supply current maximum of 120 µA
Good power supply rejection ratio (PSRR) of 55dB within 120Hz to 10kHz range
Enabled control feature for on/off functionality
Product Advantages
High-efficiency operation
Stable output with low voltage drop under load
Low power consumption at idle
Enhanced noise performance for sensitive applications
Automotive grade reliability
Key Technical Parameters
Voltage input maximum of 5.5V
Voltage dropout maximum of 0.4V @ 300mA
Output current of 300mA
Quiescent current of 60 µA
Supply current maximum of 120 µA
PSRR of 55dB from 120Hz to 10kHz
Quality and Safety Features
Over-current protection
Over-temperature protection
AEC-Q100 qualified for automotive applications
Compatibility
Compatible with various electronic circuits requiring a fixed 1.8V supply
Surface mount SOT-23-5 package for PCB applications
Application Areas
Automotive electronics
Industrial control systems
Consumer electronics
Communication devices
Product Lifecycle
Currently active product
Not nearing discontinuation
Potential availability of replacements or upgrades in the LDK130 series
Reasons to Choose This Product
High reliability for automotive and industrial use
Energy efficient for battery-powered devices
Low dropout for better performance at low input voltages
Built-in protection features for enhanced safety
Qualification for stringent automotive standards (AEC-Q100)
Compact package suitable for space-constrained applications
